#csstiaodong,#csstiaodong{
    text-align: center;
    margin: auto;
}
c{
    position: relative;
    font: normal 600 4rem 'Varela Round', sans-serif;
    color: black;
    animation: bounce 0.75s cubic-bezier(0, 0, 0.2, 1) infinite alternate;
    left: 0;
    top: 0;
}
c:nth-child(1) {
    animation-delay: 0s;
}
c:nth-child(2) {
    animation-delay: 0.0833333333s;
}
c:nth-child(3) {
    animation-delay: 0.1666666667s;
}
c:nth-child(4) {
    animation-delay: 0.25s;
}
c:nth-child(5) {
    animation-delay: 0.3333333333s;
}
c:nth-child(6) {
    animation-delay: 0.4166666667s;
}
c:nth-child(7) {
    animation-delay: 0.520s;
}
c:nth-child(8) {
    animation-delay: 0.60012s;
}
c:nth-child(9) {
    animation-delay: 0.760s;
}
@keyframes bounce {
    0% {
        color: aquamarine;
        top: 0;
        text-shadow: rgba(100, 100, 100, 0.4) 0 0 0 ;
    }
    100% {
        color: darkkhaki;
        top: -1em;
        text-shadow: rgba(255, 255, 255, 0.9) 0 0 0.35em;
    }
}